tolumide-ng

1. # Open sysstat file
sudo vim /etc/default/sysstat

2. # Change the ENABLED="false" part to ENABLED="true" and save the changes

3. # Restart sysstat:
sudo service sysstat restart

4. ## To adjust the schedule the statistic is recorded run the command below, and update the activity report to your taste
sudo vim /etc/cron.d/sysstat

tolumide-ng

This TRIGGER function calls PosgreSQL's NOTIFY command with a JSON payload. You can listen for these calls and then send the JSON payload to a message queue (like AMQP/RabbitMQ) or trigger other actions.

Create the trigger with notify_trigger.sql.

When declaring the trigger, supply the column names you want the JSON payload to contain as arguments to the function (see create_triggers.sql)

The payload returns a JSON object:

tolumide-ng

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

Download This sample on Google Play Store

tolumide-ng

Ever wanted to delete all your likes/favorites from Twitter but only found broken/expensive tools? You are in the right place.

1. Go to: https://twitter.com/{username}/likes
2. Open the console and run the following JavaScript code:

setInterval(() => {
  for (const d of document.querySelectorAll('div[data-testid="unlike"]')) {
    d.click()
 }

tolumide-ng

// Backtracking + DFS solution
// Time: O(2 ^ n), 29ms
// Space: O(n) for there will be only n recursion calls (excluding result), 41.6mb
class Solution {
    List<List<Integer>> ans;
    public List<List<Integer>> combine(int n, int k) {
        ans = new ArrayList<>();
        combineR(n, k, 1, new ArrayList<>());
        return ans;
    }

tolumide-ng

// this comparison would not work for function and symbol comparisons
// this would only work best for compared objects that do not belong to same address in memory
// Returns true if there is no difference, and false otherwise
export const isObjNotSame = (obj1, obj2) => {
    if (typeof obj1 !== "object" && obj1 !== obj2) {
        return false;
    }

    if (typeof obj1 !== "object" && typeof obj2 !== "object" && obj1 === obj2) {
        return true;

tolumide-ng

import * as React from "react";

export const DisplayProductsComponent = () =>< {
  const {createScrollObserver, converge, setConverge} = useIntersectionObserver();
  const [product, setProduct] = React.useState<ProductDef>(undefined);
  const loadMoreRef = React.useRef<HTMLDivElement>(null);
  let scrollObserver = createScrollObserver();
    
  React.useEffect(() => {
    // other conditions/cases

tolumide-ng

import * as React from "react";
interface entryDef {
  isIntersecting: Boolean;
  intersectionRatio: number;
}

interface IntersectionObserverDef {
  ancestorElem?: Element,
}

tolumide-ng

import * as React from "react";
interface entryDef {
  isIntersecting: Boolean;
  intersectionRatio: number;
}

interface IntersectionObserverDef {
  ancestorElem?: Element,
}

tolumide-ng

import * as React from "react";
interface entryDef {
  isIntersecting: Boolean;
  intersectionRatio: number;
}

interface IntersectionObserverDef {
  ancestorElem?: Element,
}